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Self-Evolving Scientific Agent Designs Physically Reasoned White-Box Fluid Control

arxiv.org/abs/2606.08405

Updated 50 min ago · first seen 11 Sept 2026

paper_01M294GP04ERRBP3EYMQJ32X1W

Published
11 Sept 2026
T1 · 50 min ago
arXiv
2606.08405
T1 · 50 min ago
Category
cs.AI
T1 · 50 min ago

Abstract

While neural networks excel in autonomous control, their black-box nature makes control decisions difficult to interpret and diagnose in dynamic fluids. Here, we show how self-evolving scientific agents can design explicit, neural-network-free white-box controllers by iteratively interpreting simulation evidence, accumulating control knowledge and refining controller code. We demonstrate this approach on an underactuated two-joint swimmer navigating unsteady flows via joint angular accelerations. Starting from a target-blind propulsive controller, the agent gradually constructs key mechanisms, including travelling-wave propulsion, body-frame guidance, phase-selective steering, redirect bursts and adaptive relief. The resulting controllers reach targets and generalize across changes in target position, wake geometry, cylinder count, and inflow speed without revision. Moreover, 2D control priors transfer successfully to accelerate 3D adaptation. Our work demonstrates that self-evolving agents can autonomously design physically reasoned and generalizable white-box fluid control, showing a promising paradigm beyond traditional reinforcement learning and black-box neural network control.

Authors 4

Boai Sun, Wenjin Guo, Zongmin Yu, Liu Yang

Specification

Official page

Source:arXiv (Atom API + RSS)T1observed 50 min agohigh

Arxiv announce type
replace

Source:arXiv (Atom API + RSS)T1observed 50 min agohigh

arXiv id
2606.08405

Source:arXiv (Atom API + RSS)T1observed 50 min agohigh

Categories
cs.AI, physics.flu-dyn

Source:arXiv (Atom API + RSS)T1observed 50 min agohigh

PDF

Source:arXiv (Atom API + RSS)T1observed 50 min agohigh

Primary category
cs.AI

Source:arXiv (Atom API + RSS)T1observed 50 min agohigh

Published
11 Sept 2026

Source:arXiv (Atom API + RSS)T1observed 50 min agohigh

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Provenance

Attributed facts

9

Source tiers

T19

Freshest observation

50 min ago

Conflicts

None